Kerr self-cleaning of pulsed beam in an ytterbium doped multimode fiber.

Guenard, R; Krupa, K; Dupiol, R; Fabert, M; Bendahmane, A; Kermene, V; Desfarges-Berthelemot, A; Auguste, J L; Tonello, A; Barthélémy, A; Millot, G; Wabnitz, S; Couderc, V

Guenard, R; Krupa, K; Dupiol, R; Fabert, M; Bendahmane, A; Kermene, V; Desfarges-Berthelemot, A; Auguste, J L; Tonello, A; Barthélémy, A; Millot, G; Wabnitz, S; Couderc, V.

Opt Express ; 25(5): 4783-4792, 2017 Mar 06.

Article en En | MEDLINE | ID: mdl-28380747

RESUMEN

We experimentally demonstrate that Kerr spatial self-cleaning of a pulsed beam can be obtained in an amplifying multimode optical fiber. An input peak power of 500 W only was sufficient to produce a quasi-single-mode emission from the double-clad ytterbium doped multimode fiber (YMMF) with non-parabolic refractive index profile. We compare the self-cleaning behavior observed in the same fiber with loss and with gain. Laser gain introduces new opportunities to achieve spatial self-cleaning of light in multimode fibers at a relatively low power threshold.

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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Opt Express Asunto de la revista: OFTALMOLOGIA Año: 2017 Tipo del documento: Article Pais de publicación: Estados Unidos

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